/*
 * Copyright 2015 Diogo Bernardino
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.db.chart.animation.style;

import com.db.chart.model.ChartSet;
import com.db.chart.view.ChartView;


public abstract class BaseStyleAnimation {

	private static final long DELAY_BETWEEN_UPDATES = 100;

	private ChartView mChartView;

	private ChartSet mSet;

	/** Control animation updates */
	final private Runnable mAnimator = new Runnable() {
		@Override
		public void run() {

			if (mChartView.canIPleaseAskYouToDraw()) {
				mChartView.postInvalidate();
				getUpdate(mSet);
			}
		}
	};


	public void play(ChartView lineChartView, ChartSet set) {

		mChartView = lineChartView;
		mSet = set;
		getUpdate(mSet);
	}


	private void getUpdate(ChartSet set) {

		nextUpdate(set);
		mChartView.postDelayed(mAnimator, DELAY_BETWEEN_UPDATES);
	}


	protected abstract void nextUpdate(ChartSet set);

}
